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Service bulletins for the 2013 Audi A4

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

662 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
Edition1042023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition1032023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition1022023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition1082023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
Edition1062023-10-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Elsa Newsletter
A0023712070568_12023-10-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on professional noise analysis with the VAS 611 015 PICO NVH Tool.
87D9a2023-09-25. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. AC Pressure/Temperature Sensor (NVLW)
87D92023-09-25. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. AC Pressure/Temperature Sensor
Edition1102023-09-18. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; VISIBILITY; SEATS; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; AIR BAGS. VW Elsa Newsletter
A9123262071264_12023-09-01. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT. This bulletin provides information for when the customer has concerns about the navigation route guidance.
A9223362038151152023-08-04. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. This bulletin provides information for when the washer solvent level warning is on.
A9023322059335_42023-08-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information for when there is noise from the area around the instrument cluster.
A8723452041717_92023-08-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides information on the GFF test plan required when replacing the A/C compressor.
A6423922020552_12023-08-04. Service bulletin. VISIBILITY. This bulletin provides information for when exterior glass cleaning is needed.
A1023262018288102023-07-10. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on checking for debris when replacing an engine.
A9123062010146_82023-07-10. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides information for when an unpleasant odor is coming from the heating and ventilation system.
A4623452070679_12023-07-10. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK. This bulletin provides information for when one or more DC is stored in the ABS control unit related to the parking switch; DTC C100C07 and/or C100C29.
A4823412028220_12023-07-10. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR. This bulletin provides information for instances where the steering wheel leather is damaged.
A8723442010146_82023-07-10. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides information for when an unpleasant odor is coming from the heating and ventilation system.
A9423652061922_32023-07-10. Service bulletin. EXTERIOR LIGHTING. This bulletin provides detailed information on the proper documentation of optical concerns for headlights and taillights.
A5723082027406_52023-07-10. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. This bulletin provides information regarding the Audi advanced key.
A9223352038151142023-06-06. Service bulletin. VISIBILITY:REAR WINDOW WIPER/WASHER. This bulletin provides instructions for when the washer level warning is on but the reservoir is full.
A0023702021205_72023-06-06. Service bulletin. EQUIPMENT:OTHER:LABELS. This bulletin provides instructions for ordering replacement Safety Certification labels or VIN plates.
A0023692031473_42023-06-06. Service bulletin. STRUCTURE; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin provides information for when car wash bristles become stuck in the body gap between the headlight and fender.
A9423632061922_22023-06-06. Service bulletin. EXTERIOR LIGHTING. This bulletin provides details on how to properly document optical concerns in headlights and taillights for warranty submissions.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.